23631042 has 16 divisors (see below), whose sum is σ = 47393280. Its totient is φ = 7855152.

The previous prime is 23631031. The next prime is 23631053. The reversal of 23631042 is 24013632.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23631031) and next prime (23631053).

It is a super-4 number, since 4×23631042⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3042 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (2962080).

Almost surely, 2^23631042 is an apocalyptic number.

23631042 is an abundant number, since it is smaller than the sum of its proper divisors (23762238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23631042 is a wasteful number, since it uses less digits than its factorization.

23631042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23631042 is about 4861.1770179659. The cubic root of 23631042 is about 286.9641365588.

Adding to 23631042 its reverse (24013632), we get a palindrome (47644674).

The spelling of 23631042 in words is "twenty-three million, six hundred thirty-one thousand, forty-two".